Home / 2,753.38-4,122.71-1,581.62

Finding the Fourth Proportional to 2,753.38, 4,122.71 and 1,581.62

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Solution

The fourth proportional to 2,753.38, 4,122.71 and 1,581.62 is: 2,368.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.38 : 4,122.71 = 1,581.62 : x
  2. Step 2: Convert to fraction form
    2,753.38/4,122.71 = 1,581.62/x
  3. Step 3: Cross multiply
    2,753.38x = 4,122.71 × 1,581.62
  4. Step 4: Simplify right side
    2,753.38x = 6,520,574.85
  5. Step 5: Solve for x
    x = 6,520,574.85/2,753.38
  6. Step 6: Final answer
    x = 2,368.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.